4+3= 7-6= 9-1= 8-0= 1+9= 5+4= 5+5= 0+1= 10-5= 3+3= 7+10=
12-10= 10-10= 8+2= 19-9= 7+8= 9+3= 5+7= 6+8= 8+3= 3+5+6=
10-1-8= 8-5+4= 2+6+4= 5+4+7= 4+2+5= 9-7+9= 10-6+8=
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2